With System Restore you can revert your PC's state to a previous point in time. This can be particularly useful when troubleshooting issues caused by recent changes, such as software installations, driver updates, or system settings modifications. By using System Restore, you can undo these changes without affecting your personal files, providing a safe way to resolve problems without losing ...

Learn how to troubleshoot a "Secure HDCP" error when you try to watch a DVD or stream content in the Netflix app on your Xbox 360 console.

Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found. On that website, you can select a version of Windows and create installation media on a USB flash. Alternatively, an ISO file ...

查找 Xbox 主机 ID 或设备 ID 只能在“设置”中查找主机 ID。主机 ID 不同于主机序列号。

Microsoft is modernizing the activation experience for perpetual licenses. Beginning December 3, 2025, the traditional telephone-based product activation automation process has been moved from telephone to online. Customers will instead use the Product Activation Portal: Product Activation Portal The new digital workflow provides a more secure, reliable, and user‑friendly activation ...

Xbox Support ... Xbox Support

If you're planning to recycle, sell, or gift your Windows device or your Xbox One console, make sure you've removed all personal info from it. Reset a Windows device Back up any info that you want to save using Windows Backup. After you've backed up the info you need, open your Recovery settings: In the Settings app on your Windows device, select System > Recovery or use the following shortcut:

Learn how to redeem a Microsoft/Xbox gift card or other code or offer on your mobile device, Windows device, or Xbox console.

SharePoint is a browser-based app that you connect to through your web browser. With SharePoint, you can do many things, such as: uploading and sharing files to your document library, collaborating on files with others, creating a team site or communication site, and more. If your organization has assigned you a license that includes SharePoint, you can sign in. In this article, we discuss the ...

了解在 Microsoft Store 尝试购买内容时如何解决 Xbox 购买错误。